.board{
    width: 100%;
    text-align: center;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
    .btnBox{
        width: 100px;
        height: 100px;
        position: absolute;
        left: 10%;
        top: 30%;
        .btn{
            margin: 20px;
        }
    }

}
.board-row{
    width: 100%;
    display: flex;
    justify-content: center;
  .square{
      width: 200px;
      height: 200px;
      border: 2px solid #000;
      
      background-color: #fff;
      text-align: center;
      line-height: 200px;
      font-size: 80px;
      font-weight: bold;
  }
}
